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;;;; midi.scm -- scm midi variables and functions
;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
;;;; (c) 2000--2006 Jan Nieuwenhuizen <janneke@gnu.org>
;;;;;;;;;;;;;;;;;;
;;; TODO:
;; this is broken: we should not ever export variables from Scheme.
;; define factor of total volume per dynamic marking
(define-public absolute-volume-alist '())
(set! absolute-volume-alist
(append
'(
("sf" . 1.00)
("fffff" . 0.95)
("ffff" . 0.92)
("fff" . 0.85)
("ff" . 0.80)
("f" . 0.75)
("mf" . 0.68)
("mp" . 0.61)
("p" . 0.55)
("pp" . 0.49)
("ppp" . 0.42)
("pppp" . 0.34)
("ppppp" . 0.25)
)
absolute-volume-alist))
(define-public (default-dynamic-absolute-volume s)
(let ((entry (assoc s absolute-volume-alist)))
(if entry
(cdr entry))))
;; define factors of total volume of minimum and maximum volume
(define-public instrument-equalizer-alist '())
(set! instrument-equalizer-alist
(append
'(
("flute" . (0 . 0.7))
("oboe" . (0 . 0.7))
("clarinet" . (0 . 0.7))
("bassoon" . (0 . 0.6))
("french horn" . (0.1 . 0.7))
("trumpet" . (0.1 . 0.8))
("timpani" . (0.2 . 0.9))
("violin" . (0.2 . 1.0))
("viola" . (0.1 . 0.7))
("cello" . (0.2 . 0.8))
("contrabass" . (0.2 . 0.8))
)
instrument-equalizer-alist))
(define-public (default-instrument-equalizer s)
(let ((entry (assoc s instrument-equalizer-alist)))
(if entry
(cdr entry))))
;; (name . program+32768*(channel10 ? 1 : 0))
(define instrument-names-alist '())
(set! instrument-names-alist
(append
`(
("acoustic grand" . ,(- 1 1))
("bright acoustic" . ,(- 2 1))
("electric grand" . ,(- 3 1))
("honky-tonk" . ,(- 4 1))
("electric piano 1" . ,(- 5 1))
("electric piano 2" . ,(- 6 1))
("harpsichord" . ,(- 7 1))
("clav" . ,(- 8 1))
; (9-16 chrom percussion)
("celesta" . ,(- 9 1))
("glockenspiel" . ,(- 10 1))
("music box" . ,(- 11 1))
("vibraphone" . ,(- 12 1))
("marimba" . ,(- 13 1))
("xylophone" . ,(- 14 1))
("tubular bells" . ,(- 15 1))
("dulcimer" . ,(- 16 1))
; (17-24 organ)
("drawbar organ" . ,(- 17 1))
("percussive organ" . ,(- 18 1))
("rock organ" . ,(- 19 1))
("church organ" . ,(- 20 1))
("reed organ" . ,(- 21 1))
("accordion" . ,(- 22 1))
("harmonica" . ,(- 23 1))
("concertina" . ,(- 24 1))
; (25-32 guitar)
("acoustic guitar (nylon)" . ,(- 25 1))
("acoustic guitar (steel)" . ,(- 26 1))
("electric guitar (jazz)" . ,(- 27 1))
("electric guitar (clean)" . ,(- 28 1))
("electric guitar (muted)" . ,(- 29 1))
("overdriven guitar" . ,(- 30 1))
("distorted guitar" . ,(- 31 1))
("guitar harmo(dinics" . ,(- 32 1))
; (33-40 bass)
("acoustic bass" . ,(- 33 1))
("electric bass (finger)" . ,(- 34 1))
("electric bass (pick)" . ,(- 35 1))
("fretless bass" . ,(- 36 1))
("slap bass 1" . ,(- 37 1))
("slap bass 2" . ,(- 38 1))
("synth bass 1" . ,(- 39 1))
("synth bass 2" . ,(- 40 1))
; (41-48 strings)
("violin" . ,(- 41 1))
("viola" . ,(- 42 1))
("cello" . ,(- 43 1))
("contrabass" . ,(- 44 1))
("tremolo strings" . ,(- 45 1))
("pizzicato strings" . ,(- 46 1))
("orchestral strings" . ,(- 47 1))
("timpani" . ,(- 48 1))
; (49-56 ensemble)
("string ensemble 1" . ,(- 49 1))
("string ensemble 2" . ,(- 50 1))
("synthstrings 1" . ,(- 51 1))
("synthstrings 2" . ,(- 52 1))
("choir aahs" . ,(- 53 1))
("voice oohs" . ,(- 54 1))
("synth voice" . ,(- 55 1))
("orchestra hit" . ,(- 56 1))
; (57-64 brass)
("trumpet" . ,(- 57 1))
("trombone" . ,(- 58 1))
("tuba" . ,(- 59 1))
("muted trumpet" . ,(- 60 1))
("french horn" . ,(- 61 1))
("brass section" . ,(- 62 1))
("synthbrass 1" . ,(- 63 1))
("synthbrass 2" . ,(- 64 1))
; (65-72 reed)
("soprano sax" . ,(- 65 1))
("alto sax" . ,(- 66 1))
("tenor sax" . ,(- 67 1))
("baritone sax" . ,(- 68 1))
("oboe" . ,(- 69 1))
("english horn" . ,(- 70 1))
("bassoon" . ,(- 71 1))
("clarinet" . ,(- 72 1))
; (73-80 pipe)
("piccolo" . ,(- 73 1))
("flute" . ,(- 74 1))
("recorder" . ,(- 75 1))
("pan flute" . ,(- 76 1))
("blown bottle" . ,(- 77 1))
("shakuhachi" . ,(- 78 1))
("whistle" . ,(- 79 1))
("ocarina" . ,(- 80 1))
; (81-88 synth lead)
("lead 1 (square)" . ,(- 81 1))
("lead 2 (sawtooth)" . ,(- 82 1))
("lead 3 (calliope)" . ,(- 83 1))
("lead 4 (chiff)" . ,(- 84 1))
("lead 5 (charang)" . ,(- 85 1))
("lead 6 (voice)" . ,(- 86 1))
("lead 7 (fifths)" . ,(- 87 1))
("lead 8 (bass+lead)" . ,(- 88 1))
; (89-96 synth pad)
("pad 1 (new age)" . ,(- 89 1))
("pad 2 (warm)" . ,(- 90 1))
("pad 3 (polysynth)" . ,(- 91 1))
("pad 4 (choir)" . ,(- 92 1))
("pad 5 (bowed)" . ,(- 93 1))
("pad 6 (metallic)" . ,(- 94 1))
("pad 7 (halo)" . ,(- 95 1))
("pad 8 (sweep)" . ,(- 96 1))
; (97-104 synth effects)
("fx 1 (rain)" . ,(- 97 1))
("fx 2 (soundtrack)" . ,(- 98 1))
("fx 3 (crystal)" . ,(- 99 1))
("fx 4 (atmosphere)" . ,(- 100 1))
("fx 5 (brightness)" . ,(- 101 1))
("fx 6 (goblins)" . ,(- 102 1))
("fx 7 (echoes)" . ,(- 103 1))
("fx 8 (sci-fi)" . ,(- 104 1))
; (105-112 ethnic)
("sitar" . ,(- 105 1))
("banjo" . ,(- 106 1))
("shamisen" . ,(- 107 1))
("koto" . ,(- 108 1))
("kalimba" . ,(- 109 1))
("bagpipe" . ,(- 110 1))
("fiddle" . ,(- 111 1))
("shanai" . ,(- 112 1))
; (113-120 percussive)
("tinkle bell" . ,(- 113 1))
("agogo" . ,(- 114 1))
("steel drums" . ,(- 115 1))
("woodblock" . ,(- 116 1))
("taiko drum" . ,(- 117 1))
("melodic tom" . ,(- 118 1))
("synth drum" . ,(- 119 1))
("reverse cymbal" . ,(- 120 1))
; (121-128 sound effects)
("guitar fret noise" . ,(- 121 1))
("breath noise" . ,(- 122 1))
("seashore" . ,(- 123 1))
("bird tweet" . ,(- 124 1))
("telephone ring" . ,(- 125 1))
("helicopter" . ,(- 126 1))
("applause" . ,(- 127 1))
("gunshot" . ,(- 128 1))
; (channel 10 drum-kits - subtract 32768 to get program no.)
("standard kit" . ,(+ 32768 0))
("standard drums" . ,(+ 32768 0))
("drums" . ,(+ 32768 0))
("room kit" . ,(+ 32768 8))
("room drums" . ,(+ 32768 8))
("power kit" . ,(+ 32768 16))
("power drums" . ,(+ 32768 16))
("rock drums" . ,(+ 32768 16))
("electronic kit" . ,(+ 32768 24))
("electronic drums" . ,(+ 32768 24))
("tr-808 kit" . ,(+ 32768 25))
("tr-808 drums" . ,(+ 32768 25))
("jazz kit" . ,(+ 32768 32))
("jazz drums" . ,(+ 32768 32))
("brush kit" . ,(+ 32768 40))
("brush drums" . ,(+ 32768 40))
("orchestra kit" . ,(+ 32768 48))
("orchestra drums" . ,(+ 32768 48))
("classical drums" . ,(+ 32768 48))
("sfx kit" . ,(+ 32768 56))
("sfx drums" . ,(+ 32768 56))
("mt-32 kit" . ,(+ 32768 127))
("mt-32 drums" . ,(+ 32768 127))
("cm-64 kit" . ,(+ 32768 127))
("cm-64 drums" . ,(+ 32768 127))
)
instrument-names-alist))
(define-public (percussion? instrument)
"
returns whether the instrument should use midi channel 9
"
(let* ((inst (symbol->string instrument))
(entry (assoc inst instrument-names-alist)))
(and entry (>= (cdr entry) 32768))))
(define-public (midi-program instrument)
"
returns the program of the instrument
"
(let* ((inst (symbol->string instrument))
(entry (assoc inst instrument-names-alist)))
(if entry (modulo (cdr entry) 32768) #f)))
;; 90 == 90/127 == 0.71 is supposed to be the default value
;; urg: we should set this at start of track
(define-public dynamic-default-volume 0.71)
(define-public (alterations-in-key pitch-list)
"Count number of sharps minus number of flats"
(/ (apply + (map cdr pitch-list)) 2))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
(define-public (paper-book-write-midis paper-book basename)
(let
loop
((perfs (ly:paper-book-performances paper-book))
(count 0))
(if (pair? perfs)
(begin
(ly:performance-write
(car perfs)
(if (> count 0)
(format #f "~a-~a.midi" basename count)
(format #f "~a.midi" basename)))
(loop (cdr perfs) (1+ count))))))
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